A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 5925-01-121-6281
NSN 5835-00-624-1548
NSN 5960-01-437-5318
NSN 2925-01-446-6976
NSN 5855-01-461-9207
NSN 5915-01-051-2061
NSN 5996-01-587-4216
NSN 5935-01-559-2435
NSN 5930-01-132-3247
NSN 5855-00-925-0114
NSN 6610-01-033-2402
NSN 5910-01-414-1341